#ifndef _CONST_H_
#define _CONST_H_

/****** CONSTANTS IN CGS + EV UNIT SYSTEM *******/

#define E0   			13.598286071938324	//Hydrogen ionization energy in eV, reduced mass, no relativistic corrections 
#define XI0             24.5874
#define XI1             54.42279
#define mH        		1.42542E24          // in uint sec^{-1}
#define mE        		7.76311E20          // in unit sec^{-1}
#define kBoltz    		8.617343e-5         // Boltzmann constant in eV/K
#define Lambda_2s_1s 	8.227				// 2s -> 1s two-photon decay rate in s^{-1}
#define alpha			(1./137.)			// fine structure constant

#endif // _CONST_H_
